2142015413249 has 2 divisors, whose sum is σ = 2142015413250. Its totient is φ = 2142015413248.

The previous prime is 2142015413227. The next prime is 2142015413273. The reversal of 2142015413249 is 9423145102412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1224136449649 + 917878963600 = 1106407^2 + 958060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142015413249 - 2²⁰ = 2142014364673 is a prime.

It is not a weakly prime, because it can be changed into another prime (2142015413149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071007706624 + 1071007706625.

It is an arithmetic number, because the mean of its divisors is an integer number (1071007706625).

Almost surely, 2^{2142015413249} is an apocalyptic number.

It is an amenable number.

2142015413249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142015413249 is an equidigital number, since it uses as much as digits as its factorization.

2142015413249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 2142015413249 in words is "two trillion, one hundred forty-two billion, fifteen million, four hundred thirteen thousand, two hundred forty-nine".